<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
  span{
    display: inline-block;
    padding: 5px 10px;
    margin-top: 2px;
    margin-right: 2px;
    width: 77px;
    border: 1px solid black;
    border-radius: 5px;
    /* border-bottom: 1px solid #ccc; */
    /* border-left: 1px solid #ccc; */
    /* text-align: center; */

  }
  </style>
</head>
<body>
  <script>
//  let n1 = prompt('请输入需要打印的行数：')
//     let n2 = prompt('请输入需要打印的列数：')
    for(let i = 1; i<=9 ;i++){
    for (let j = 1; j <=i ; j++) {
        document.write(`<span>${j} x ${i} = ${i*j}</span>`)
        
    }
      document.write(`<br>`)

  }  </script>
</body>
</html>